'There was a lot of wincing': Expert witness' cross-examination, explained

A day of dense, scientific testimony in the Karen Read case took a dramatic turn as the defense called a prosecution expert's credentials into question — he confirmed a CV on his firm's site said he had a college degree that he hasn't gotten yet. Our experts, attorneys Michael Coyne and Peter Tragos, said it was a damaging moment for the prosecution. Here's why, how the jury appeared to react and what it could mean for other witnesses still to be called in the case.    You can watch the TV version of this episode — and all the others, as well as video from court as it happens — on our YouTube page. Subscribe here: www.youtube.com/@NBC10Boston If you have questions on the case, send them to us at Canton.Confidential@nbcuni.com